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1 // { dg-do run { target c++11 } }
2 // { dg-require-cstdint "" }
3 //
4 // 2008-11-24 Edward M. Smith-Rowland <3dw4rd@verizon.net>
5 //
6 // Copyright (C) 2008-2020 Free Software Foundation, Inc.
7 //
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
12 // any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
22
23 // 26.4.4.1 class template discard_block_engine [rand.adapt.disc]
24 // 26.4.2.3 concept RandomNumberEngineAdaptor [rand.concept.adapt]
25
26 #include <random>
27 #include <testsuite_hooks.h>
28
29 void
30 test01()
31 {
32 std::independent_bits_engine
33 <std::subtract_with_carry_engine<uint_fast64_t, 48, 5, 12>,
34 48, uint_fast64_t> u, v;
35
36 VERIFY( u == v );
37
38 u.discard(100);
39 v.discard(100);
40
41 VERIFY( u == v );
42 }
43
44 int main()
45 {
46 test01();
47 return 0;
48 }